詞語:radium
radium是什麼意思
簡明英漢詞典
radium
[5reidjEm]
n.
[化]鐳
美國傳統詞典[雙解]
radium
ra.di.um
AHD:[r3「d?-…m]
D.J.[6reidi8*m]
K.K.[6redi*m]
n.Symbol Ra (名詞)符號 Ra
A rare, brilliant white, luminescent, highly radioactive metallic element found in very small amounts in uranium ores, having 13 isotopes with mass numbers between 213 and 230, of which radium 226 with a half-life of 1,622 years is the most common. It is used in cancer radiotherapy, as a neutron source for some research purposes, and as a constituent of luminescent paints. Atomic number 88; melting point 700=C; boiling point 1,737=C; valence 2.See table at element
鐳:一種稀有的、有白色光澤、發光、高度放射性的金屬元素,極少量地存在於瀝青礦中,有13種同位素,質量數介於213和230之間,最常見的為鐳226,半衰期為1,622年。鐳可用於癌症的放射治療,在其它一些研究中用作中子源,還可用作發光顏料的成分。原子序數88;熔點700=C;沸點1,737=C;原子價2參見 element
語源
(1)Latin radius [ray]
拉丁語 radius [射線]
(2)-ium
-ium
現代英漢詞典
radium
[5reIdIEm]
n.
〈化〉鐳(元素符號為: Ra):
to have radium treatment
接受鐳放射治療
現代英漢綜合大辭典
radium
[5reidjEm]
n.
【化】鐳 (88號元素, 符號Ra)
radium emanation
鐳(放)射氣
[七國語言]英漢地質大詞典
radium
鐳
[七國語言]英漢地理大詞典
radium
鐳
[七國語言]英漢電子工程大詞典
radium
鐳
[七國語言]英漢化學大詞典
radium
鐳
[七國語言]英漢機械大詞典
radium
鐳
[七國語言]英漢礦業大詞典
radium
鐳
[七國語言]英漢物理大詞典
radium
鐳
[七國語言]英漢冶金大詞典
radium
鐳
[七國語言]英漢原子能大詞典
radium
鐳
美國傳統詞典
radium
ra.di.um
AHD:[r3「d?-…m]
D.J.[6reidi8*m]
K.K.[6redi*m]
n.Symbol Ra
A rare, brilliant white, luminescent, highly radioactive metallic element found in very small amounts in uranium ores, having 13 isotopes with mass numbers between 213 and 230, of which radium 226 with a half-life of 1,622 years is the most common. It is used in cancer radiotherapy, as a neutron source for some research purposes, and as a constituent of luminescent paints. Atomic number 88; melting point 700=C; boiling point 1,737=C; valence 2.See table at element
語源
(1)Latin radius [ray]
(2)-ium
英漢船舶大詞典
radium
n.鐳
英漢電信大詞典
radium
n.鐳
英漢地質大詞典
radium
n.鐳
英漢紡織大詞典
radium
n.鐳,鐳綢
英漢環境大詞典
radium
n.鐳
英漢海運大詞典
radium
鐳(Ra)
英漢進出口商品詞彙大全
radium
鐳
英漢經貿大詞典
radium
n.鐳Ra
英漢計算機大詞典
radium
n.鐳Ra
英漢機械大詞典
radium
n.鐳Ra,鐳
英漢建築大詞典
radium
n.鐳
英漢農牧林大詞典
radium
n.鐳
英漢能源大詞典
radium
n.鐳Ra
英漢水利大詞典
radium
n.鐳
英漢消防大詞典
radium
鐳
英漢心理學大詞典
radium
鐳
英漢冶金大詞典
radium
n.鐳
英漢醫學大詞典
radium
n.鐳
英漢中醫大詞典
radium
n.鐳
相關:radium的翻译及解釋